Hertel 61698858 15/64 in Screw Machine Drill Bit Hss

Product Description

The HERTEL 61698858 is a screw machine length drill bit designed for general-purpose drilling in metal, wood, and plastics. Built from high speed steel with an oxide finish, it offers adequate wear resistance and lubricity for everyday shop and field use. The bit measures 0.234 inches (15/64 inch) in diameter with a standard 118-degree point angle and a right-hand spiral flute configuration. At 2-7/16 inches overall length with a 1-5/16-inch flute length, this stub-length format provides added rigidity and reduced deflection compared to jobber-length bits. Installed by machinists, pipefitters, electricians, and general tradespeople, it fits standard drill chucks without modification.

This drill bit is suited for production and repair drilling where a shorter, stiffer bit is preferred over jobber length. The screw machine length reduces overhang in drill presses, CNC turrets, and hand drills, making it a practical choice in tight clearance situations or when drilling through thin-gauge materials. The straight-cylindrical shank accepts standard three-jaw chucks. It covers the decimal inch range of 0.2000 to 0.2500 inches and conforms to ANSI specification standards, making it a reliable general-purpose option across a wide range of trade applications.

Key Features

• High speed steel construction with oxide finish for corrosion and wear resistance
• 118-degree standard point angle for general-purpose entry into a broad range of materials
• Screw machine (stub) length at 2-7/16 inches overall for added rigidity and reduced deflection
• Right-hand cut with regular spiral flute for efficient chip evacuation
• Straight-cylindrical shank fits standard drill chucks without adapters
• ANSI specification compliant for consistent dimensional accuracy

Compatibility

Designed as a general-purpose screw machine length drill bit compatible with any standard three-jaw drill chuck accepting a straight-cylindrical shank in the 0.2000 to 0.2500-inch diameter range.

Installation Notes

Install and remove this bit with the drill fully powered off and the chuck key removed before use. Secure the straight shank firmly in a three-jaw chuck, ensuring the bit is centered and fully seated before applying drilling pressure. Machinists and tradespeople should follow applicable shop safety standards and wear appropriate eye protection when operating drilling equipment. Coolant through is not supported on this bit, so external cutting fluid may be applied manually when drilling ferrous materials to extend tool life.